
// Fade
//

@fade-duration: .3s;
@fade-timing-function: linear;

.am-fade {

  animation-duration: @fade-duration;
  animation-timing-function: @fade-timing-function;
  animation-fill-mode: backwards;
  opacity: 1;

  &.am-fade-add, &.ng-hide-remove, &.ng-move  {
    animation-name: fadeIn;
  }
  &.am-fade-remove, &.ng-hide {
    animation-name: fadeOut;
  }

  &.ng-enter {
    visibility: hidden;
    animation-name: fadeIn;
    animation-play-state: paused;
    &.ng-enter-active {
      visibility: visible;
      animation-play-state: running;
    }
  }
  &.ng-leave {
    animation-name: fadeOut;
    animation-play-state: paused;
    &.ng-leave-active {
      animation-play-state: running;
    }
  }

}


// Keyframes
//

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

// Bootstrap 3
//

.modal-backdrop, .aside-backdrop {

  &.am-fade {

    background: rgba(0, 0, 0, .5);
    animation-duration: @fade-duration / 2;
    &.ng-leave {
      animation-delay: @fade-duration;
    }

  }

}
